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TPA-023B

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Catalog No. T13192Cas No. 425377-76-0

TPA-023B is an orally active and high-affinity agonist of the GABAA receptor α2/α3 subtype (Kis: 0.73 nM/2 nM) partial and an antagonist α1 subtype (Ki: 1.8 nM), has non-sedating anxiolytic-like properties.

TPA-023B

TPA-023B

😃Good
Catalog No. T13192Cas No. 425377-76-0
TPA-023B is an orally active and high-affinity agonist of the GABAA receptor α2/α3 subtype (Kis: 0.73 nM/2 nM) partial and an antagonist α1 subtype (Ki: 1.8 nM), has non-sedating anxiolytic-like properties.
Pack SizePriceAvailabilityQuantity
25 mg$1,4006-8 weeks
50 mg$1,8206-8 weeks
100 mg$2,5006-8 weeks
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Product Introduction

Bioactivity
Description
TPA-023B is an orally active and high-affinity agonist of the GABAA receptor α2/α3 subtype (Kis: 0.73 nM/2 nM) partial and an antagonist α1 subtype (Ki: 1.8 nM), has non-sedating anxiolytic-like properties.
In vitro
TPA-023B has high affinity for α5 subtype with Ki of 1.1 nM of human recombinant GABAA receptor, but over 1500-fold lower for the α4- and α6 containing subtypes (Ki > 1000 nM). In different regions of the CNS,TPA-023B also has a comparable affinity for native rat GABAA receptors (Ki of 0.32-0.99 nM in cerebellum, spinal cord and frontal cortex). TPA-023B antagonizes the ability of chlordiazepoxide to potentiate the GABA EC20-induced current in cells expressing the α1 subtype. More specifically, 3 μM chlordiazepoxide potentiates the GABA EC20 current by 105% and this effect could be reduced to 8% in the presence of 100 nM TPA-023B.
In vivo
Measured using an in vivo [3H]flumazenil binding assay,TPA-023B gives dose- and time-dependent occupancy of rat brain GABAA receptors, with 50% occupancy corresponding to a respective dose and plasma drug concentration of 0.09 mg/kg and 19 ng/mL. TPA-023B is anxiolytic in rodent and primate (squirrel monkey) models of anxiety (elevated plus maze, fear-potentiated startle,up to doses (10 mg/kg) corresponding to occupancy of greater than 99%.
Chemical Properties
Molecular Weight391.37
FormulaC21H15F2N5O
Cas No.425377-76-0
Relative Density.no data available
Storage & Solubility Information
StoragePowder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice.

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